The file-upload feature in GwtUpload 1.0.3 allows XSS via a crafted filename.
{
"github_reviewed_at": "2021-04-20T22:17:42Z",
"github_reviewed": true,
"cwe_ids": [
"CWE-79"
],
"nvd_published_at": "2020-02-28T16:15:00Z",
"severity": "MODERATE"
}